Important: Red Hat Single Sign-On 7.6.5 security update on RHEL 7

Related Vulnerabilities: CVE-2021-46877   CVE-2023-1436   CVE-2023-3223  

Synopsis

Important: Red Hat Single Sign-On 7.6.5 security update on RHEL 7

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

New Red Hat Single Sign-On 7.6.5 packages are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.

This release of Red Hat Single Sign-On 7.6.5 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.4, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

  • jettison: Uncontrolled Recursion in JSONArray (CVE-2023-1436)
  • jackson-databind: Possible DoS if using JDK serialization to serialize JsonNode (CVE-2021-46877)
  • undertow: OutOfMemoryError due to @MultipartConfig handling (CVE-2023-3223)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Single Sign-On 7.6 for RHEL 7 x86_64

Fixes

  • BZ - 2182788 - CVE-2023-1436 jettison: Uncontrolled Recursion in JSONArray
  • BZ - 2185707 - CVE-2021-46877 jackson-databind: Possible DoS if using JDK serialization to serialize JsonNode
  • BZ - 2209689 - CVE-2023-3223 undertow: OutOfMemoryError due to @MultipartConfig handling